Phil Sutter <phil@xxxxxx> wrote: > Assume that caller's 'to' offset really represents an upper boundary for > the pattern search, so patterns extending past this offset are to be > rejected. > > The old behaviour also was kind of inconsistent when it comes to > fragmentation (or otherwise non-linear skbs): If the pattern started in > between 'to' and 'from' offsets but extended to the next fragment, it > was not found if 'to' offset was still within the current fragment. > > Test the new behaviour in a kselftest using iptables' string match. > > Suggested-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> > Fixes: f72b948dcbb85 ("[NET]: skb_find_text ignores to argument") FYI, checkpatch complains about the fixes tag. > diff --git a/tools/testing/selftests/netfilter/xt_string.sh b/tools/testing/selftests/netfilter/xt_string.sh > new file mode 100755 > index 0000000000000..1802653a47287 > --- /dev/null > +++ b/tools/testing/selftests/netfilter/xt_string.sh Thanks for the test case. Is there a reason why its not hooked up to the kselftest makefile? I think it should be.